*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-box-sizing: border-box;
    text-decoration:none;
}
body{
    background: linear-gradient(#000000,#778899,#708090);
    width: 100%;
}
.cloud{
    width: 100%;
    height: 100px;
    position: absolute;
    left: 0;
    top: 50px;
}
.cloud img:first-child{
    animation: cloud 30s linear infinite alternate;
    position: absolute;
    top: 0;
    left: 0;
}

.cloud img:nth-child(2){
    position: absolute;
    top: 250px;
    left: 300px;
    animation: cloud03 10s linear infinite alternate;
}
.cloud img:last-child{
    position: absolute;
    top: 100px;
    right: 0;
    animation: cloud02 20s linear infinite alternate;
}
@keyframes cloud{
    from{}
    to{
        transform: translateX(1000px);
    }
}
@keyframes cloud02{
    from{}
    to{
        transform: translateX(-620px);
    }
}

@keyframes cloud03{
    from{}
    to{
        transform: translateX(320px);
    }
}
.moon{
    position: absolute;
    right: 40px;
    top: 30px;
    background-color: #FFFF99;
    box-shadow: gold 0 0 50px;
    opacity: 1;
    border-radius: 50%;
    width: 150px;
    height: 150px;
    animation: moon 2s linear infinite alternate;
}
@keyframes moon {
    from{
        width: 150px;
        height: 150px;
    }
    50%{
        width: 149px;
        height: 149px;
        box-shadow: gold 0 0 30px;
    }
    100%{
        width: 150px;
        height: 150px;
        box-shadow: gold 0 0 50px;
    }
}
.box{
    width: 350px;
    height: 450px;
    margin: 169px auto;
    border: 1px solid #006275;
    position: relative;
    background-color: #006275;
    padding: 0 25px 25px 25px;
}
.login{
    width: 100%;
    margin-top: 70px;
}
.box img{
    display: block;
    width: 120px;
    height: 110px;
    border-radius: 50%;
    position: absolute;
    top: -60px;
    left: 50%;
    margin-left: -60px;
}
p{
    text-align: center;
    margin-bottom: 20px;
    color: black;
    font-weight: 500;
}
.box .login label{
    display: inline-block;
    width: 100%;
    margin-bottom: 10px;
    font-size: 16px;
}
.box .login input{
    width:100%;
    height:40px;
    margin-bottom: 20px;
    background: rgba(255,255,255,1);
    border:0;
    border-radius: 3px;
    padding-left: 15px;
    color: rgba(0,0,0,0.7);
}
.box .login .btn{
    width: 100%;
    height: 40px;
    color: black;
    margin-top: 20px;
    background-color: darkcyan;
    border: 0;
    color: #fff;
    cursor: pointer;
    font-weight:700;
    border-radius: 3px;
    box-shadow:0 2px 7px darkcyan;
}
.box .login .foot{
    margin-top: 40px;
    text-align: center;
    font-weight: 700;
    color: #ffffff;
    font-size: 14px;
}
.box .login .foot a{
    border-bottom: 1px dashed;
    color: black;
}
